When observing young children playing, how can one tell if they are friends or just ordinary ...

When observing young children playing, how can one tell if they are friends or just ordinary playmates?
 
  a. It is impossible to tell.
  b. Friends have more conflict than ordinary playmates.
  c. Friends show more competition for toys.
  d. Friends smile and laugh more and show more cooperation and collaboration.

Question 2

The age of ____ is defined as the age at which a fetus can survive if it must be born because most of its bodily systems function adequately. It typically occurs 22 to 28 weeks into the pregnancy.
 
  a. zygotic intent
  b. viability
 c. plasticity
 d. continuity

Question 3

By what age will children show a preference for a small group of playmates?
 
  a. 6 months
  b. 1 year
  c. 18 months
  d. 2 years

Question 4

Why is it that 22 weeks is considered the earliest age of viability for an unborn child?
 
  a. Because this is the age by which the child's systems are functioning well enough to potentially sustain life outside of the mother's body.
  b. Because it is not until this age that the unborn child's brain begins developing.
 c. Because this is the age when the child's sex is determined, and when appropriate genitals begin to form.
 d. Because this is the age after which teratogens can no longer impact the baby.